Custom JoglInputSystem

JoglInputSystemCustom.java

/** 
* Suppress mouse events if they hit panel with id "glassPane"
* unless a MouseDragged gesture is in process to ensure that every MouseClickedEvent that hits
* will be followed by an MouseReleasedEvent even if it's coords do not overlap any other nifty elements.
*/
   private final JoglInputSystem inputSystem = new JoglInputSystem() {

	boolean niftyBusy=false;
        @Override
        public void mouseDragged(MouseEvent mouseEvent) {
            if (niftyBusy) {
                super.mouseDragged(mouseEvent);
            }
        }

        @Override
        public void mouseReleased(MouseEvent mouseEvent) {
	    niftyBusy=false;
            super.mouseReleased(mouseEvent);
        }

        @Override
        public void mousePressed(MouseEvent mouseEvent) {
            if (checkElementHits(mouseEvent)) {
                ControlManager.getSingleton().suppressEvents(true); // Pauses personal App event listener.
		niftyBusy = true;
                super.mousePressed(mouseEvent);
            } else {
                ControlManager.getSingleton().suppressEvents(false); // Resumes personal App event listener.
            }
        }

        private boolean checkElementHits(MouseEvent mouseEvent) {
            if (nifty != null) {
                Element glassPane = nifty.getCurrentScreen().findElementByName("glassPane");
                //ArrayList<Element> hits= new ArrayList<>();
                //String path ="";
                Iterator<Element> iterator = nifty.getCurrentScreen().getRootElement().getDescendants();
                Element last = null;
                while (iterator.hasNext()) {
                    Element e = iterator.next();
                    if (e.isMouseInsideElement(mouseEvent.getX(), mouseEvent.getY())) {
                        last = e;
//                        hits.add(e);
//                        path+= e.getId()+" -> ";
                    }
                }
                //System.out.println("Hits: "+hits.size() + "\n" +path);
                return (last != null && !glassPane.equals(last));
            }
            return false;
        }
    };